Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
drepan
←
Proto-Germanic
*drepaną
(inherited)
←
Proto-West Germanic
*drepan
(inherited)
→
Low German
drepen
(inherited)
→
Low German
drapen
(inherited)